At a charity function, $150,045 was donated by three companies A, B, and C in the ratio 7 : 5 : 9. How much money did company B
2 answers:
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Answer:
Step-by-step explanation:
Because we are told equivalent expressions for y and z we can plug those in to 2(y+z).
Then simplify by combining like terms of the expressions. Values ending in x^2 can be combined with each other.
Now we can distribute the 2 by multiplying each value in the parentheses by 2.